晚期慢性肾小球肾炎的病理改变为
A．肾小球坏死
B．肾小管变性坏死
C．肾小球玻璃样变和硬化
D．系膜细胞增生
E．肾小球萎缩
参考答案：C
()交流电动机调速方法有：（1）变极调速、（2）变压调速、（3）变频变压调速、（4）变转差率调速
Nodding one's head ________ willingness while shaking one's head means disagreement.[ ]
A. indicates
B. declares
C. explains
D. speaks
ile shaking one's head means disagreement.[ ] 